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Finding the Fourth Proportional to 58,999.86, 81,420.37 and 33,506.76

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Solution

The fourth proportional to 58,999.86, 81,420.37 and 33,506.76 is: 46,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.86 : 81,420.37 = 33,506.76 : x
  2. Step 2: Convert to fraction form
    58,999.86/81,420.37 = 33,506.76/x
  3. Step 3: Cross multiply
    58,999.86x = 81,420.37 × 33,506.76
  4. Step 4: Simplify right side
    58,999.86x = 2,728,132,796.70
  5. Step 5: Solve for x
    x = 2,728,132,796.70/58,999.86
  6. Step 6: Final answer
    x = 46,239.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.